Analysis
- max time kernel
135s - max time network
141s - platform
windows7_x64 - resource
win7-20220715-en - resource tags
- submitted
30/07/2022, 14:20
General
- Target 72048e5ad3b0046d9b64912ccb567522.exe
- Size 747KB
- Sample220730-rnwtwacdaj
- SHA256 88b9c82f7ff9afcfea9d6c45cd1667d9345fa1c9ce2edcc79ed427d8b869dc6e
Malware Config
Extracted
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snakekeylogger
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Protocol
smtp
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Host
us2.smtp.mailhostbox.com
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Port
587
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Username
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Password
LYSV$*b4
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Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 6 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\72048e5ad3b0046d9b64912ccb567522.exe"C:\Users\Admin\AppData\Local\Temp\72048e5ad3b0046d9b64912ccb567522.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JeNGOlBZqdO.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JeNGOlBZqdO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2A3D.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\72048e5ad3b0046d9b64912ccb567522.exe"C:\Users\Admin\AppData\Local\Temp\72048e5ad3b0046d9b64912ccb567522.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmp2A3D.tmp
memory/892-64-0x0000000000400000-0x0000000000426000-memory.dmp
memory/892-75-0x0000000000400000-0x0000000000426000-memory.dmp
memory/892-73-0x0000000000400000-0x0000000000426000-memory.dmp
memory/892-70-0x0000000000400000-0x0000000000426000-memory.dmp
memory/892-69-0x0000000000400000-0x0000000000426000-memory.dmp
memory/892-67-0x0000000000400000-0x0000000000426000-memory.dmp
memory/892-65-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1308-58-0x0000000004970000-0x00000000049E4000-memory.dmp
memory/1308-63-0x0000000000A00000-0x0000000000A28000-memory.dmp
memory/1308-54-0x0000000000920000-0x00000000009E2000-memory.dmp
memory/1308-57-0x0000000000280000-0x000000000028A000-memory.dmp
memory/1308-56-0x0000000000260000-0x0000000000276000-memory.dmp
memory/1308-55-0x0000000075681000-0x0000000075683000-memory.dmp
memory/1912-77-0x000000006FC60000-0x000000007020B000-memory.dmp
memory/1912-78-0x000000006FC60000-0x000000007020B000-memory.dmp